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Table of Subbasin Assessments, TMDLs, Implementation Plans, and Five-Year Reviews

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Below are links to subbasin assessments, total maximum daily loads (TMDLs), implementation plans, and five-year reviews completed in Idaho.

For information on and DEQ contacts for specific subbasins, click on the subbasin name. For general information on the TMDL process, contact DEQ's TMDL Program Manager, Marti Bridges, at (208) 373-0382 or marti.bridges@deq.idaho.gov.

Subbasin NameHydrologic Unit Code (HUC)TMDL StatusImplementation Plan StatusFive Year Review Status
American Falls Subbasin17040206

Approved by EPA
August 2012

Bear River Basin/Malad River Subbasin16010201 16010102 16010204 16010202

Approved by EPA
June 2006

Bear River Basin Addendum
Approved by EPA
September 2013

Lower Bear/Malad Subbasin Agriculture:
Completed May 2010

Central Bear (Bear River Mainstem) Agriculture:
Completed October 2008

Northern Middle Bear
Agriculture: Completed
September 2008

Southern Middle Bear
Agriculture: Completed
September 2008

Bear Lake Subbasin
Agriculture: Completed
July 2008

Bear River/Malad River
Forest Svc.: Completed
April 2008

Daniels Watershed:
Completed 2007

Cub River Watershed
Agriculture: Completed
September 2006

Beaver-Camas Subbasin17040214

Approved by EPA
August 2005

Under development

Big Lost River Subbasin17040218

Approved by EPA
August 2004


Addendum approved
by EPA
December 2011

Under development

See TMDL Addendum

Big Wood River Subbasin17040219

Approved by EPA
May 2002

Errata approved
by EPA
February 2012

Temperature Addendum
Approved by EPA
December 2013

Agriculture Completed October 2006;
Revised February 2014

Birch Creek Subbasin17040216

Assessment Completed
March 2005

Black Lake Subbasin17010303

Approved by EPA
August 2011

Blackfoot River Subbasin17040207

Approved by EPA
April 2002


Brush Creek Temperature TMDL
Approved by EPA
November 2007

Blackfoot River TMDL Addendum
Approved by EPA
October 2013

Completed
February 2006

Boise - Mores Creek Subbasin17050112

Approved by EPA
February 2010

Boise River (Lower) Nutrient/Tributary Subbasin17050114

Assessment Completed
December 2001

NA

Boise River (Lower) Subbasin17050114

Approved by EPA
January 2000


Sediment and Bacteria Addendum
Approved by EPA
June 2008

Lake Lowell TMDL Addendum
Approved by EPA
December 2010

Completed
December 2003

Total Phosphorus Completed
December 2008

Lake Lowell Agriculture
Completed June 2012

Completed
February 2009

Boise River (South Fork) Subbasin17050113

Approved by EPA
March 2009

Completed
October 2009
See TMDL
Boise River (Upper) Subbasin17050111 and 17050113

Assessment Completed
November 2000

NA

Brownlee River (Weiser Flat) Subbasin17050201

Approved by EPA
November 2003

Agriculture Completed
September 2004

Bruneau River Subbasin17050102

Approved by EPA
March 2001

Jacks Creek Aquaculture Addendum TMDL
Approved by EPA
November 2007

Bruneau River
Agriculture Completed
June 2002;
Revised March 2013

Jack Creek
Agriculture Completed
June 2002;
Revised March 2013

Camas Creek Subbasin17040220

Approved by EPA
September 2005

Agriculture Completed
August 2007;
Revised March 2013

Cascade Reservoir17050123

Phase I Approved by EPA
May 1996

Phase II Approved by EPA
April 1999

Tributary TMDL Addendum
Approved by EPA
February 2012

Completed
June 2000

All Phases:
Completed February 2009

Clark Fork - Pend Oreille Subbasin17010213 and 17010214

 

Approved by EPA
April 2001
September 2000

Temperature Addendum
Approved by EPA
April 2008

Sediment Addendum
Approved by EPA
January 2008

Pack River Nutrients Addendum
Approved by EPA
December 2008

 

Pack River
Agriculture Completed
December 2007

Pack River Completed
July 2006

Cocolalla Lake, Cocolalla Creek,
and Hoodoo Creek
Completed July 2004

Clark Fork River (Lower) Subbasin17010213

Approved by EPA
October 2007

Clearwater River, North Fork (Upper) Subbasin17060307

Approved by EPA
December 2003

Under development

Clearwater River, North Fork (Lower) Subbasin17060308

Approved by EPA
January 2003

Five-Year Review and
TMDL Addendum
Approved by EPA
November 2013

Completed
May 2004

Addendum Completed
December 2013

See TMDL Addendum

Clearwater River, South Fork Subbasin17060305

Approved by EPA
January 2003

Completed April 2006

Agriculture Completed
March 2005;
Revised January 2014

Coeur d'Alene Lake and River Subbasin17010303

Approved by EPA
July 2000

Coeur d'Alene Lake
Tributaries Addendum
Approved by EPA
November 2012

Fernan Lake Addendum
Approved by EPA
November 2013

Completed 2002

See TMDL Addendum and Update

Coeur d'Alene River, North Fork Subbasin17010301

Approved by EPA
February 2002

Addendum
Approved by EPA
April 2014

Under development

See North Fork Coeur d'Alene River Subbasin Watershed Restoration Effectiveness Review – Sediment Reductions and Biological Response Document and Success Story

Coeur d'Alene River, South Fork Subbasin17010302

Approved by EPA
February 2002

Under development

Cottonwood Creek Subbasin17060305

Approved by EPA
June 2000

Under development

Cow Creek Subbasin17060108

Approved by EPA
February 2006

Temperature TMDLs Addendum
Approved by EPA
April 2014

Agriculture Completed
July 2008;
Revised May 2013

Fall Creek Subbasin17040104

Approved by EPA
April 2004

Under development

Goose Creek Subbasin17040211

Approved by EPA
July 2004

Temperature Addendum
Approved by EPA
April 2012

Under development

Completed
June 2010

Hangman Creek (Upper) Subbasin17010306

Approved by EPA
September 2007

Hatwai Creek Subbasin17060306

Approved by EPA
December 2010

Henrys Fork (Upper and Lower) Subbasin17040202 17040203

Assessment Completed
December 1998

Addendum Approved
by EPA
August 2010

NA

Completed April 2010

Idaho Falls Subbasin17040201

Approved by EPA
November 2004

Under development

Jim Ford Creek Subbasin17060306

Approved by EPA
June 2000

Completed

Jordan Creek Subbasin17050108

Partially Approved/Partially Disapproved by EPA
April 2011

Kootenai and Moyie Rivers Subbasins17010101 17010104 17010105

Approved by EPA
January 2007

2014 Temperature TMDL Addendum
Submitted to EPA
July 2014

Draft Completed
November 2005

Lemhi River Subbasin17060204

Approved by EPA
March 2000

Addendum Approved
by EPA
February 2013

Completed
September 2001

See October 2012
TMDL Addendum

Lindsay Creek Subbasin17060306

Approved by EPA
June 2007

Little Lost River Subbasin17040217

Approved by EPA
September 2000

Completed
February 2002

Little Salmon River Subbasin17060210

Approved by EPA
March 2006

Addendum Approved
by EPA
April 2013

Completed
November 2008

Completed
April 2012

Little Wood River Subbasin17040221

Approved by EPA
September 2005

Agriculture Completed
March 2010

Lochsa River Subbasin17060303

Assessment Completed
September 1999

Addendum Submitted
to EPA
May 2012

NA

Lolo Creek Tributaries Subbasin17060306

Approved by EPA
December 2011

Medicine Lodge Subbasin17040215

Approved by EPA
May 2003

Agriculture Completed
July 2002

Owyhee (Upper) Subbasin17050104

Approved by EPA
March 2003

Watershed Temperature TMDLs
  Approved by EPA
July 2012

Agriculture Completed
October 2004

Completed
June 2009

Owyhee River (North and Middle Forks) Subbasin17050107

Approved by EPA
February 2000

Watershed Temperature TMDLs
  Approved by EPA
July 2012

Completed
April 2001

Completed
June 2009

Owyhee River (South Fork) Subbasin17050105

Approved by EPA
March 2000

Watershed Temperature TMDLs
  Approved by EPA
July 2012

Under development

Pahsimeroi River Subbasin17060202

Approved by EPA
December 2001

Addendum Approved
by EPA April 2014

Agriculture Completed
September 2005

See 2013
TMDL Addendum

Palisades Subbasin17040104

Approved by EPA
February 2001

2013 Addendum
and Five-Year Review
Approved by EPA
February 2014

Completed
August 2002

See November 2013
TMDL Addendum

Palouse River Tributaries Subbasin17060108

Approved by EPA
March 2005

Under development

Palouse River, South Fork Subbasin17060108

Approved by EPA
October 2007

Paradise Creek Subbasin17060108

Approved by EPA
February 1998

Completed
December 1999

Payette River (Lower) Subbasin17050122

Approved by EPA
May 2000

Big Willow Creek Addendum
Approved by EPA
July 2008

Little Willow Creek Addendum
Approved by EPA
December 2013

Completed
January 2003

Completed February 2009

Payette River, Middle Fork Subbasin17050121

Approved by EPA
July 2000

Temperature TMDL
Approved by EPA
December 2007

Completed
August 2003

Completed February 2009

Payette River, North Fork Subbasin17050122 17050123

Approved by EPA
August 2005

Completed
June 2007

Completed
July 2012

Payette River, South Fork Subbasin17050120

Assessment Completed
July 2005

NA

Completed
January 2011

Pend Oreille Lake (Nearshore Waters) Subbasin17010214

Approved by EPA
October 2002

Completed
December 2004

Portneuf River Subbasin17040208

Approved by EPA
April 2001

Revision & Addendum
Approved by EPA
August 2010

Completed
July 2003

See Revised TMDL

Potlatch River Subbasin17060306

Approved by EPA
February 2009

Agriculture Completed
June 2010;
Revised March 2013

Priest River Subbasin17010215

Approved by EPA
March 2002

Addendum
Approved by EPA
June 2003

Under development

Raft River Subbasin17040210

Approved by EPA
July 2004

Temperature Addendum
Approved by EPA
April 2012

Agriculture Completed
July 2006

Completed
September 2011

Salmon Falls Creek Subbasin17040213

Approved by EPA
February 2008

Ag Implementation
Plan Completed
February 2009

Salmon River (Lower) and Hells Canyon Subbasins17060209 17060101

Approved by EPA
February 2010

Salmon River (Middle) - Chamberlain Creek Subbasin17060207

Approved by EPA
January 2003

Under development

Salmon River (Middle) - Panther Creek Subbasin17060203

Approved by EPA
July 2001

Completed
November 2002

Salmon River (Upper) Subbasin17060201

Approved by EPA
March 2003

Under development

Salmon River, Middle Fork Subbasin17060205

Approved by EPA
February 2009

Salmon River, South Fork Subbasin17060208

Approved by EPA
January 1992

Addendum
Approved by EPA
October 2012

Under development

Completed March 2011

Selway River (Lower) Subbasin17060302

SBA December 2000

NA

Snake River - Hells Canyon Subbasin17060101 17050103 17050115 17050201

Approved by EPA
September 2004

Completed
July 2003

Snake River - King Hill-C.J. Strike Reservoir Subbasin17050101

Approved by EPA
June 2006

Agriculture Completed
November 2007

Dissolved Oxygen Completed
November 2007;
Revised Dec. 2008

Snake River (Middle) - Succor Creek Subbasin17050103

Approved by EPA
January 2004

Addendum
Approved by EPA
December 2007

 

Tributaries Sediment
TMDL Addendum
Approved by EPA
October 2013

Completed
July 2005

Completed September 2011

Snake River (Middle) - Upper Snake Rock Subbasin17040212

Approved by EPA August 2000

City of Twin Falls TSS Revision Submitted to EPA January 2011

Completed June 2001

Completed April 2010

Snake River (Middle) Subbasin17040212

Approved by EPA
September 2005

Under development

Spokane River (Upper) Subbasin17010305

Approved by EPA
January 2001

Fish Creek Watershed
Assessment and TMDLs
Approved by EPA
June 2008

Underdevelopment

St. Joe River Subbasin17010304

Approved by EPA
August 2003

Temperature TMDL Addendum
Approved by EPA
December 2011

Under development

Completed September 2011

Tammany Creek Subbasin17060103

Approved by EPA
February 2002

Addendum
Approved by EPA
December 2010

Under development

Teton River Subbasin17040204

Approved by EPA
February 2003 and
September 2003

Agriculture Completed
April 2005;
Revised February 2014

Walcott Lake Subbasin17040209

Approved by EPA
June 2000

Fall and Rueger Springs
Creeks Aquaculture
Addendum TMDLs
Approved by EPA
March 2007

Marsh Creek
Temperature & E. coli
TMDLs Addendum
Submitted to EPA
December 2013

Completed
December 2001

Completed
May 2012

Weiser River Subbasin17050124

Approved by EPA
January 2007

Temperature Addendum
Approved by EPA
January 2007

Agriculture:
Revised May 2013

Completed
June 2014

Wildhorse River Subbasin17050201

Approved by EPA
October 2007

Agriculture Completed
March 2010

Forestry Completed
February 2010

Willow Creek Subbasin17040205

Approved by EPA
June 2004

Agriculture Completed
January 2011

Winchester Lake - Lapwai Creek (Upper) Subbasin17060306

Approved by EPA
March 1999

Completed
May 2000